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Spunding Valve (With Gauge) - Ball Lock
FIL42A
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Description

A Spunding Valve is used to adjust and release pressure on a pressure capable fermenter, such as a Unitank.  It can  also be used to release pressure from a keg while filling or filtering. The relief valve can be adjusted to release pressure from 0-15 psi.

Caution: This Spunding Valve should never be used as the primary safety pressure relief device.  Every vessel that is under pressure should have a primary safety relief valve set in accordance with the pressure rating of the vessel. This Spunding valve should only act as a seondary relief that also allows you to adjust the pressure within the safety limits of the vessel or tank. 

How to Adjust: The pressure relief valve is adjusted by unscrewing the very end which reduces pressure on the spring. If tight, and not adjustable by hand, it needs to be loosened with pliers. Wrap a towel around the end piece of the pressure relief valve (about  the last 1/4 in) and loosen with pliers. Then finger tighten or loosen to your desired pressure.

 
Gauge reads 0 - 15 psi
California Recipients: See Proposition 65 Information
 
Item # FIL42A
Shipping Eligible for Free Shipping Program
Availability California - In Stock
Pennsylvania - Out Of Stock
Weight 0.58LBS
Community Q&A

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Browse 1 question Browse 1 question and 6 answers
Why did you choose this?
MoreFlavor Store
So excited for pressurized ferments! Interested to see how it differs
Anders H on Sep 2, 2018
Auto carb beer during fermentation
William G on Feb 5, 2018
So excited for pressurized ferments! Interested to see how it differs
Anders H on Sep 2, 2018
High pressure fermenting & transferring from primary keg to keg
Bryan B on Mar 1, 2018
Auto carb beer during fermentation
William G on Feb 5, 2018
I recently bought the fermentasaurus and I’m going to Ferment under pressure so I need this release valve to do so
Matthew on Jan 29, 2018
Price, delivery time, availability
Jerry H on Jan 23, 2018
to use with fermentasaurus
Benjamin S on Jan 15, 2018
High pressure fermenting & transferring from primary keg to keg
Bryan B on Mar 1, 2018
I recently bought the fermentasaurus and I’m going to Ferment under pressure so I need this release valve to do so
Matthew on Jan 29, 2018
Reviews

2.9 / 5.0
7 Reviews
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Spunding Valve
It leaks at about 8PSI and after calling about the problem nobody has called me back like they said they would, I've bought 2 others from other companies and they did not work either.
August 29, 2018
Purchased
1 month ago
Did not work as described and the fittings were all stainless not the brass fittings in the photograph.
I bought this valve for my fermentasaurus and to use it at between 1 and 2 PSI until it was time to cold crash and carbonate. I did a test to see how accurate the relief was between 0 and 15 psi. With it screwed in all the way the relief didn't go in till after 24 PSI. With it backed off to two threads and it was extremely wobbly about to blow off the end the lowest it would go is 4 PSI. What I received was all stainless steel fittings and relief not the brass fittings that were in the photograph. I could have used it set at about 7 PSI because if you go any lower than that the relief valve falls apart and blows off the end. It's not what I paid for and morebeer refunded me my purchase price. I needed this to go as low as 1 psi which would have required at least two to three threads left on the adjustment but that was impossible.
August 10, 2018
Purchased
1 month ago
Cool! Presssurized primary fermentatrion!
Took ~ 30 min to reach 3 psi after replacing blowoff hose with spulding valve 48 hrs into preimary fermentation.
First pressurized primary fermentation. ~ 30 min to reach 3 psi after replacing blowoff hose 48 hrs.
User submitted image
March 13, 2018
Purchased
7 months ago
Broken when I got it.
The pressure gauge was mid Ali rated when I opened it, shows 2 PSI when there is no pressure at all.

Valve should have a bigger knob to mark targeted pressure settings
February 21, 2018
Purchased
9 months ago
NEEDED
I would say this is an important piece of equipment to have.
February 8, 2018
Purchased
9 months ago
Does what it's supposed to do
I read the above reviews and acted on faith in MoreBeer and bought it any way. Turns out it works very well and does what it is supposed to do. It can be a bit tricky to get the setting right, but once you do, it's fine.
September 15, 2017
Both leak
I bought two of these and put them on a keg to check them for leaks. Good thing I did because both leak. I only started messing with one and the whole assembly was loose, so I tightened it all up. However, the pressure release valve at the end is now leaking. Have yet to look into the second one yet.
March 26, 2017